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<div id="overview"><a href="../../../../../../../api/org/jboss/netty/handler/codec/spdy/SpdyOrHttpChooser.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.codec.spdy;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> javax.net.ssl.SSLEngine;
<a class="jxr_linenumber" name="19" href="#19">19</a>  
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelEvent;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandler;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelUpstreamHandler;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.http.HttpChunkAggregator;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.http.HttpRequest;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.http.HttpRequestDecoder;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.http.HttpResponseEncoder;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.ssl.SslHandler;
<a class="jxr_linenumber" name="30" href="#30">30</a>  
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * {@link ChannelUpstreamHandler} which is responsible to setup the {@link ChannelPipeline} either for</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * HTTP or SPDY. This offers an easy way for users to support both at the same time while not care to</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * much about the low-level details.</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyOrHttpChooser.html">SpdyOrHttpChooser</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelUpstreamHandler.html">ChannelUpstreamHandler</a> {
<a class="jxr_linenumber" name="38" href="#38">38</a>  
<a class="jxr_linenumber" name="39" href="#39">39</a>      <strong class="jxr_keyword">public</strong> enum <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyOrHttpChooser.html">SelectedProtocol</a> {
<a class="jxr_linenumber" name="40" href="#40">40</a>          SpdyVersion2,
<a class="jxr_linenumber" name="41" href="#41">41</a>          SpdyVersion3,
<a class="jxr_linenumber" name="42" href="#42">42</a>          HttpVersion1_1,
<a class="jxr_linenumber" name="43" href="#43">43</a>          HttpVersion1_0,
<a class="jxr_linenumber" name="44" href="#44">44</a>          None
<a class="jxr_linenumber" name="45" href="#45">45</a>      }
<a class="jxr_linenumber" name="46" href="#46">46</a>  
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maxSpdyContentLength;
<a class="jxr_linenumber" name="48" href="#48">48</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maxHttpContentLength;
<a class="jxr_linenumber" name="49" href="#49">49</a>  
<a class="jxr_linenumber" name="50" href="#50">50</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyOrHttpChooser.html">SpdyOrHttpChooser</a>(<strong class="jxr_keyword">int</strong> maxSpdyContentLength, <strong class="jxr_keyword">int</strong> maxHttpContentLength) {
<a class="jxr_linenumber" name="51" href="#51">51</a>          <strong class="jxr_keyword">this</strong>.maxSpdyContentLength = maxSpdyContentLength;
<a class="jxr_linenumber" name="52" href="#52">52</a>          <strong class="jxr_keyword">this</strong>.maxHttpContentLength = maxHttpContentLength;
<a class="jxr_linenumber" name="53" href="#53">53</a>      }
<a class="jxr_linenumber" name="54" href="#54">54</a>  
<a class="jxr_linenumber" name="55" href="#55">55</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     * Return the {@link SelectedProtocol} for the {@link SSLEngine}. If its not known yet implementations</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment">     * MUST return {@link SelectedProtocol#None}.</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyOrHttpChooser.html">SelectedProtocol</a> getProtocol(SSLEngine engine);
<a class="jxr_linenumber" name="61" href="#61">61</a>  
<a class="jxr_linenumber" name="62" href="#62">62</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleUpstream(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="63" href="#63">63</a>          <em class="jxr_comment">// Get the SslHandler from the ChannelPipeline so we can obtain the SslEngine from it.</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>          <a href="../../../../../../org/jboss/netty/handler/ssl/SslHandler.html">SslHandler</a> handler = ctx.getPipeline().get(SslHandler.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="65" href="#65">65</a>          <strong class="jxr_keyword">if</strong> (handler == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="66" href="#66">66</a>              <em class="jxr_comment">// SslHandler is needed by SPDY by design.</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"SslHandler is needed for SPDY"</span>);
<a class="jxr_linenumber" name="68" href="#68">68</a>          }
<a class="jxr_linenumber" name="69" href="#69">69</a>  
<a class="jxr_linenumber" name="70" href="#70">70</a>          <a href="../../../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> pipeline = ctx.getPipeline();
<a class="jxr_linenumber" name="71" href="#71">71</a>          <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyOrHttpChooser.html">SelectedProtocol</a> protocol = getProtocol(handler.getEngine());
<a class="jxr_linenumber" name="72" href="#72">72</a>          <strong class="jxr_keyword">switch</strong> (protocol) {
<a class="jxr_linenumber" name="73" href="#73">73</a>          <strong class="jxr_keyword">case</strong> None:
<a class="jxr_linenumber" name="74" href="#74">74</a>              <em class="jxr_comment">// Not done with choosing the protocol, so just return here for now,</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>              <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="76" href="#76">76</a>          <strong class="jxr_keyword">case</strong> SpdyVersion2:
<a class="jxr_linenumber" name="77" href="#77">77</a>              addSpdyHandlers(ctx, 2);
<a class="jxr_linenumber" name="78" href="#78">78</a>              <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="79" href="#79">79</a>          <strong class="jxr_keyword">case</strong> SpdyVersion3:
<a class="jxr_linenumber" name="80" href="#80">80</a>              addSpdyHandlers(ctx, 3);
<a class="jxr_linenumber" name="81" href="#81">81</a>              <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">case</strong> HttpVersion1_0:
<a class="jxr_linenumber" name="83" href="#83">83</a>          <strong class="jxr_keyword">case</strong> HttpVersion1_1:
<a class="jxr_linenumber" name="84" href="#84">84</a>              addHttpHandlers(ctx);
<a class="jxr_linenumber" name="85" href="#85">85</a>              <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="86" href="#86">86</a>          <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="87" href="#87">87</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"Unknown SelectedProtocol"</span>);
<a class="jxr_linenumber" name="88" href="#88">88</a>          }
<a class="jxr_linenumber" name="89" href="#89">89</a>          <em class="jxr_comment">// When we reached here we can remove this handler as its now clear what protocol we want to use</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>          <em class="jxr_comment">// from this point on.</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>          pipeline.remove(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="92" href="#92">92</a>          ctx.sendUpstream(e);
<a class="jxr_linenumber" name="93" href="#93">93</a>      }
<a class="jxr_linenumber" name="94" href="#94">94</a>  
<a class="jxr_linenumber" name="95" href="#95">95</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment">     * Add all {@link ChannelHandler}'s that are needed for SPDY with the given version.</em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>      <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> addSpdyHandlers(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <strong class="jxr_keyword">int</strong> version) {
<a class="jxr_linenumber" name="99" href="#99">99</a>          <a href="../../../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> pipeline = ctx.getPipeline();
<a class="jxr_linenumber" name="100" href="#100">100</a>         pipeline.addLast(<span class="jxr_string">"spdyDecoder"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyFrameDecoder.html">SpdyFrameDecoder</a>(version));
<a class="jxr_linenumber" name="101" href="#101">101</a>         pipeline.addLast(<span class="jxr_string">"spdyEncoder"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyFrameEncoder.html">SpdyFrameEncoder</a>(version));
<a class="jxr_linenumber" name="102" href="#102">102</a>         pipeline.addLast(<span class="jxr_string">"spdySessionHandler"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdySessionHandler.html">SpdySessionHandler</a>(version, <strong class="jxr_keyword">true</strong>));
<a class="jxr_linenumber" name="103" href="#103">103</a>         pipeline.addLast(<span class="jxr_string">"spdyHttpEncoder"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyHttpEncoder.html">SpdyHttpEncoder</a>(version));
<a class="jxr_linenumber" name="104" href="#104">104</a>         pipeline.addLast(<span class="jxr_string">"spdyHttpDecoder"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyHttpDecoder.html">SpdyHttpDecoder</a>(version, maxSpdyContentLength));
<a class="jxr_linenumber" name="105" href="#105">105</a>         pipeline.addLast(<span class="jxr_string">"spdyStreamIdHandler"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/spdy/SpdyHttpResponseStreamIdHandler.html">SpdyHttpResponseStreamIdHandler</a>());
<a class="jxr_linenumber" name="106" href="#106">106</a>         pipeline.addLast(<span class="jxr_string">"httpRquestHandler"</span>, createHttpRequestHandlerForSpdy());
<a class="jxr_linenumber" name="107" href="#107">107</a>     }
<a class="jxr_linenumber" name="108" href="#108">108</a> 
<a class="jxr_linenumber" name="109" href="#109">109</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">     * Add all {@link ChannelHandler}'s that are needed for HTTP.</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="112" href="#112">112</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> addHttpHandlers(<a href="../../../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx) {
<a class="jxr_linenumber" name="113" href="#113">113</a>         <a href="../../../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> pipeline = ctx.getPipeline();
<a class="jxr_linenumber" name="114" href="#114">114</a>         pipeline.addLast(<span class="jxr_string">"httpRquestDecoder"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpRequestDecoder.html">HttpRequestDecoder</a>());
<a class="jxr_linenumber" name="115" href="#115">115</a>         pipeline.addLast(<span class="jxr_string">"httpResponseEncoder"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpResponseEncoder.html">HttpResponseEncoder</a>());
<a class="jxr_linenumber" name="116" href="#116">116</a>         pipeline.addLast(<span class="jxr_string">"httpChunkAggregator"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/jboss/netty/handler/codec/http/HttpChunkAggregator.html">HttpChunkAggregator</a>(maxHttpContentLength));
<a class="jxr_linenumber" name="117" href="#117">117</a>         pipeline.addLast(<span class="jxr_string">"httpRquestHandler"</span>, createHttpRequestHandlerForHttp());
<a class="jxr_linenumber" name="118" href="#118">118</a>     }
<a class="jxr_linenumber" name="119" href="#119">119</a> 
<a class="jxr_linenumber" name="120" href="#120">120</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">     * Create the {@link ChannelUpstreamHandler} that is responsible for handling the {@link HttpRequest}'s</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">     * when the {@link SelectedProtocol} was {@link SelectedProtocol#HttpVersion1_0} or</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">     * {@link SelectedProtocol#HttpVersion1_1}</em>
<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="125" href="#125">125</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelUpstreamHandler.html">ChannelUpstreamHandler</a> createHttpRequestHandlerForHttp();
<a class="jxr_linenumber" name="126" href="#126">126</a> 
<a class="jxr_linenumber" name="127" href="#127">127</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment">     * Create the {@link ChannelUpstreamHandler} that is responsible for handling the {@link HttpRequest}'s</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">     * when the {@link SelectedProtocol} was {@link SelectedProtocol#SpdyVersion2} or</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">     * {@link SelectedProtocol#SpdyVersion3}.</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">     * Bye default this method will just delecate to {@link #createHttpRequestHandlerForHttp()}, but</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">     * sub-classes may override this to change the behaviour.</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="135" href="#135">135</a>     <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/jboss/netty/channel/ChannelUpstreamHandler.html">ChannelUpstreamHandler</a> createHttpRequestHandlerForSpdy() {
<a class="jxr_linenumber" name="136" href="#136">136</a>         <strong class="jxr_keyword">return</strong> createHttpRequestHandlerForHttp();
<a class="jxr_linenumber" name="137" href="#137">137</a>     }
<a class="jxr_linenumber" name="138" href="#138">138</a> }
</pre>
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